MYSQL how to convert varchar to bigint

Question

Mysql How to convert a column of the type varchar 2017-10-10 23:59:21.087 to bigint?

I want to convert the type '2017-10-10 23:59:21.087' to 20171010235921087

Answer 1

你走了：

select REPLACE(REPLACE(REPLACE('2017-10-10 23:59:21.087', '-', ''), ':', ''), ' ', '')

如果它是表格中的字段，请执行以下操作：

SELECT REPLACE(REPLACE(REPLACE(forex_lastupdate, '-', ''), ':', ''), ' ', '')
FROM noksek_tickdata_copy;